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Does anyone know what size these slots are?

I'm building a homemade nuc entrance disk like this. Would anyone know what size these slots are in imperial measurements? Thanks in advance.
Colino
I tried 6 times to get the image to upload in the message but it wouldn't do it so below is a link to my drop box.https://www.dropbox.com/s/wctb0424g8...cleus_Hive.jpg

Re: Does anyone know what size these slots are?

How much use does anyone have for queen excluder slots on a disk anyways? I do not have abandonment problems. I am not importing or raising AFB's. I am not trying to contain bad drones. If I was raising queens why would I want to keep one in? Oh! Swarm control?

Re: Does anyone know what size these slots are?

Somewhat

odfrank,

Sometimes I use queen excluder size openings to protect my breeder queens in their nuc colonies from possible AHB usurping. I've actually witnessed this work successfully, several times. Usurping is my least favorite AHB trait. Other traits can be remedied by timely requeening, but, thank goodness for marking paint and Cordovan genetics (I mark the queens I produce, as soon as they begin laying).

My most recent usurping experience: Just after I finished manipulating one of my breeder queen colonies, to harvest grafting larva, I noticed a golf ball size cluster on the side of the nuc, adjacent to the excluder protected entrance. Using a piece of shim wood I flicked this cluster off, yet they kept returning, After the fifth or sixth time I watched carefully, as they reformed, spotted their queen (she was unmarked and had the size and appearance of a virgin), I caged her and set the cage aside -- take-over thwarted.

Re: Does anyone know what size these slots are?

Originally Posted by odfrank

How much use does anyone have for queen excluder slots on a disk anyways? I do not have abandonment problems. I am not importing or raising AFB's. I am not trying to contain bad drones. If I was raising queens why would I want to keep one in? Oh! Swarm control?

Hello O.F:
I was figuring to use it when catching swarms to keep the queen from leaving if I managed to get her in the nuc.

But every sunday afternoon he is a dirt track demon
In a '57 chevrolet- Jim Croce

Re: Does anyone know what size these slots are?

I used the discs on a couple of nucs, and the openings seemed to be
undersized,,,only the smallest of bees could make it through the slots..
used it for ventalation purposes as the hornets were trying to have their
way at the front entrance which I reduced, but the hive seemd to
heat up...Mine were the small metal ones, but I havn't used the larger
plastic ones...

Re: Does anyone know what size these slots are?

FYI if for example you Google "4.2 mm in inches" you won't even have to enter the query to get the answer. Google will convert almost anything to any equivalent measure. Horsepower to BTUs per hour, cubits to parsecs. It won't tell how long it takes to do the Kessel run though.